/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the w64 mingw-runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ /* wctrans.c 7.25.3.2 Extensible wide-character case mapping functions Contributed by: Danny Smith 2005-02-24 This source code is placed in the PUBLIC DOMAIN. It is modified from the Q8 package created by Doug Gwyn */ #include #include /* This differs from the MS implementation of wctrans which returns 0 for tolower and 1 for toupper. According to C99, a 0 return value indicates invalid input. These two function go in the same translation unit so that we can ensure that towctrans(wc, wctrans("tolower")) == towlower(wc) towctrans(wc, wctrans("toupper")) == towupper(wc) It also ensures that towctrans(wc, wctrans("")) == wc which is not required by standard. */ static const struct { const char *name; wctrans_t val; } tmap[] = { {"tolower", _LOWER}, {"toupper", _UPPER} }; #define NTMAP (sizeof tmap / sizeof tmap[0]) wctrans_t wctrans (const char* property) { int i; for ( i = 0; i < (int) NTMAP; ++i ) if (strcmp (property, tmap[i].name) == 0) return tmap[i].val; return 0; } wint_t towctrans (wint_t wc, wctrans_t desc) { switch (desc) { case _LOWER: return towlower (wc); case _UPPER: return towupper (wc); default: return wc; } }